Home / 948,048.71-1,422,058.78-308,381.58

Finding the Fourth Proportional to 948,048.71, 1,422,058.78 and 308,381.58

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Solution

The fourth proportional to 948,048.71, 1,422,058.78 and 308,381.58 is: 462,567.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,048.71 : 1,422,058.78 = 308,381.58 : x
  2. Step 2: Convert to fraction form
    948,048.71/1,422,058.78 = 308,381.58/x
  3. Step 3: Cross multiply
    948,048.71x = 1,422,058.78 × 308,381.58
  4. Step 4: Simplify right side
    948,048.71x = 438,536,733,814.75
  5. Step 5: Solve for x
    x = 438,536,733,814.75/948,048.71
  6. Step 6: Final answer
    x = 462,567.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.